NEWMAN, D. G. (1990). Engineering Economic Analysis Donald G. Newman. Bibarupa Aksara.
Cita Chicago Style (17a ed.)NEWMAN, Donald G. Engineering Economic Analysis Donald G. Newman. Bibarupa Aksara, 1990.
Cita MLA (8a ed.)NEWMAN, Donald G. Engineering Economic Analysis Donald G. Newman. Bibarupa Aksara, 1990.
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